Hi all, during testing of RMI for URLyBird I discovered that apparently ICMP needs to be enabled on my firewall for RMI to work correctly. Below you see the output of an "Ethereal" network scan. You can clearly see that after data is returned from my server (192.168.1.3) to my client (192.168.1.2), there is an ICMP entry in the logfile of the scan saying "Destination unreachable (Host administratively prohibited)". If I shutdown the firewall on my server, everything works just fine. So, what gives ? Why is ICMP needed during an RMI "conversation" ?
No. Time Source Destination Protocol Info 12 2006-01-31 05:40:30.010969 192.168.1.3 192.168.1.2 RMI JRMI, ReturnData